﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using SmartTravelAssistant.Models;
using System.Web.Configuration;

namespace SmartTravelAssistant.Controllers
{
    public class ProfileController : Controller
    {
        TrasContext context = new TrasContext(WebConfigurationManager.AppSettings["BrightstarDB.ConnectionString"]);
        //
        // GET: /Account/LogOn

        public ActionResult LogOn()
        {
            return View();
        }

        //
        // POST: /Account/LogOn

        //[HttpPost]
        //public ActionResult LogOn(LogOnModel model, string returnUrl)
        //{
        //    if (ModelState.IsValid)
        //    {
        //        if (Membership.ValidateUser(model.UserName, model.Password))
        //        {
        //            FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
        //            if (Url.IsLocalUrl(returnUrl) && returnUrl.Length > 1 && returnUrl.StartsWith("/")
        //                && !returnUrl.StartsWith("//") && !returnUrl.StartsWith("/\\"))
        //            {
        //                return Redirect(returnUrl);
        //            }
        //            else
        //            {
        //                return RedirectToAction("Index", "Home");
        //            }
        //        }
        //        else
        //        {
        //            ModelState.AddModelError("", "The user name or password provided is incorrect.");
        //        }
        //    }

        //    // If we got this far, something failed, redisplay form
        //    return View(model);
        //}

        [HttpPost]
        public JsonResult LogOn(LogOnModel model, string returnUrl)
        {

            if (ModelState.IsValid)
            {
                if (Membership.ValidateUser(model.UserName, model.Password))
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                    //add current Profile to the session
                    var context = new TrasContext(WebConfigurationManager.AppSettings["BrightstarDB.ConnectionString"]);
                    var currentProfile = context.Persons.Where(x => x.Name == model.UserName).FirstOrDefault();
                    this.Session.Add("currentprofile", currentProfile);
                    return Json(new { Success = "Success", ReturnUrl = returnUrl }, JsonRequestBehavior.DenyGet);
                }
                else
                {
                    ModelState.AddModelError("", "The user name or password provided is incorrect.");
                    return Json(new { Error = "The user name or password provided is incorrect." }, JsonRequestBehavior.DenyGet);
                }
            }

            return Json(new { Error = "Sorry, an error occured while processing your request !" }, JsonRequestBehavior.DenyGet);
            
        }


        //
        // GET: /Account/LogOff

        public ActionResult LogOff()
        {

            FormsAuthentication.SignOut();

            return RedirectToAction("Index", "Home");
        }

        //
        // GET: /Account/Register

        public ActionResult Register()
        {
            return View();
        }

        //
        // POST: /Account/Register

        [HttpPost]
        public ActionResult Register(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                // Attempt to register the user
                MembershipCreateStatus createStatus;
                var user = Membership.CreateUser(model.UserName, model.Password, model.Email, null, null, true, null, out createStatus);

                if (createStatus == MembershipCreateStatus.Success && user != null)
                {

                    //set cookie
                    FormsAuthentication.SetAuthCookie(model.UserName, false /* createPersistentCookie */);

                    //add current Profile to the session
                    var context = new TrasContext(WebConfigurationManager.AppSettings["BrightstarDB.ConnectionString"]);
                    var currentProfile = context.Persons.Where(x => x.Name == user.UserName).FirstOrDefault();
                    this.Session.Add("currentprofile", currentProfile);

                    return RedirectToAction("Index", "Home");
                }
                else
                {
                    ModelState.AddModelError("", ErrorCodeToString(createStatus));
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        [Authorize]
        public ActionResult Profile()
        {

            return View();
        }

        [HttpPost]
        public JsonResult ProfileInfo()
        {
            Person profile = (Person)this.Session["currentprofile"];
            if (profile != null)
            {
                return Json(new Person { Name = profile.Name,
                Description = profile.Description,
                //AttendedTrips = profile.AttendedTrips,
                //Colleagues = profile.Colleagues
                });
            }
            else
            {
                return Json(new { Error = "Sorry, an error occured while processing your request !" }, JsonRequestBehavior.DenyGet);
            }
        }

        [HttpPost]
        public JsonResult AddFriends(string Name )
        {
            Person currentUser = (Person)this.Session["currentprofile"];
            Person user = (Person)context.Persons.Where(x => x.Name == currentUser.Name).FirstOrDefault();
         
            Person f = (Person)context.Persons.Where(x => x.Name == Name).FirstOrDefault();
            user.Colleagues.Add(f);
            context.SaveChanges();
            return Json(new { Success = "Added friend!"}, JsonRequestBehavior.AllowGet);
        }

        [HttpPost]
        public JsonResult getUserFriends(string userName)
        {
            Person currentUser = (Person)this.Session["currentprofile"];
            Person user = (Person)context.Persons.Where(x => x.Name == currentUser.Name).FirstOrDefault();

            List<Person> pers = new List<Person>();
            foreach (Person item in user.Colleagues) 
            {
                Person per = new Person();
                per.Name = item.Name;
                pers.Add(per);
            }
            return Json(pers, JsonRequestBehavior.DenyGet);
        }

        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }
        #endregion
    }
}
